code: def test_default_values(configured_arg_parser):
      args = configured_arg_parser.parse_args([])
      assert args.master is None
      assert not args.spark_session_config
  
file_path: petastorm/petastorm/tests/test_spark_session_cli.py
imports: import argparse
  import pytest
  from pyspark.sql import SparkSession
  from petastorm.tools.spark_session_cli import add_configure_spark_arguments, configure_spark
label_desc: Use image node_id 2 for calling a global function with example usage: test_default_values(configured_arg_parser) without return types